package com.usian.admin.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.usian.admin.mapper.AdChannelMapper;
import com.usian.admin.service.AdChannelService;
import com.usian.model.admin.dtos.ChannelDto;
import com.usian.model.admin.pojos.AdChannel;
import com.usian.model.base.BaseServiceImpl;
import com.usian.model.common.dtos.ResponseResult;
import com.usian.model.common.enums.AppHttpCodeEnum;
import io.micrometer.core.instrument.util.StringUtils;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class AdChannelServiceImpl extends BaseServiceImpl<AdChannelMapper, AdChannel> implements AdChannelService {

    @Override
    public ResponseResult insert(AdChannel adChannel) {
        //1.检查参数
        if(null == adChannel){
            return paramError;
        }
        //2.保存
        adChannel.setCreatedTime(new Date());
        save(adChannel);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }

    @Override
    public ResponseResult findByNameAndPage(ChannelDto dto) {
        if(dto==null)return paramError;
        return getPageData(dto, Wrappers.<AdChannel>lambdaQuery().like(StringUtils.isNotBlank(dto.getName()),AdChannel::getName,dto.getName()));
    }

    @Override
    public ResponseResult update(AdChannel adChannel) {

        //1.检查参数
        if(null == adChannel || adChannel.getId()==null){
           return paramError;
        }
        //2.修改
        updateById(adChannel);
        return success;
    }

    @Override
    public ResponseResult deleteById(Integer id) {
        //1.检查参数
        if(id == null){
            return paramError;
        }
        //2.判断当前频道是否存在 和 是否有效
        AdChannel adChannel = getById(id);
        if(adChannel==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        if(adChannel.getStatus()){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"频道有效不能删除");
        }

        //        int i = 10/0;

        //3.删除频道
        removeById(id);
        return success;
    }

    @Override
    public ResponseResult findAll() {
        return success(list());
    }
}
